Chapter XIV: Detecting Fraud and Forgery in Papers and Documents

Infallible Rules for the Detection of Same--New Methods of Research--Changing Wills and Books of Accounts--Judgment of the Naked Eye--Using a Microscope or Magnifying Glass--Changeable Effects of Ink--How to Detect the Use of Different Inks--Sized Papers Not Easily Altered--Inks That Produce Chemical Effects--Inks That Destroy Fiber of Paper--How to Test Tampered or Altered Documents--Treating Papers Suspected of Forgery--Using Water to Detect Fraud--Discovering Scratched Paper--Means Forgers Use to Mask Fraudulent Operations--How to Prepare and Handle Test Papers--Detecting Paper That Has Been Washed--Various Other Valuable Tests to Determine Forgery--A Simple Operation That Anyone Can Apply--Iodine Used on Papers and Documents--An Alcohol Test That Is Certain--Bringing Out Telltale Spots--Double Advantage of Certain Tests--Reappearance of Former Letters or Figures--What Genuine Writing Reveals--When an Entire Paper or Document is Forged

CHAPTER XV

GUIDED HANDWRITING AND METHOD USED

The Most Frequent and Dangerous Method of Forgery--How to Detect a Guided Signature--What Guided Handwriting Is and How It Is Done--Character of Such Writing--Writing by a Guided Hand--Difficulty in Writing--Force Exercised by Joint Hands--A Hand More or Less Passive--Work of the Controlling Hand--How Guided Writing Appears--Two Writers Acting in Opposition--Distorted Writing--How a Legitimate Guided Hand is Directed and Supported--Pen Motion Necessary to Produce Same--Influence in Guiding a Stronger Hand--Avoiding an Unnatural and Cramped Position--Effect of the Brain on Guided Hand--Separating Characteristics from Guided Joint Signature--Detecting Writing by a System of Measurement

CHAPTER XVI

TALES TOLD BY HANDWRITING

Telling the Nationality, Sex and Age of Anyone Who Executes Handwriting--Americans and Their Style of Writing--How English, German, and French Write--Gobert, the French Expert, and How He Saved Dreyfus--Miser Paine and His Millions Saved by an Expert--Writing with Invisible Ink--Professor Braylant's Secret Writing Without Ink--Professor Gross Discovers a Simple Secret Writing Method With a Piece of Pointed Hardwood--A System Extensively Used--Studying the Handwriting of Authors--How to Determine a Person's Character and Disposition by Handwriting

CHAPTER XVII

WORKINGS OF THE GOVERNMENT SECRET SERVICE

Officials of This Department Talk About Their Work--How Criminals Are Traced, Caught and Punished--Its Work Extending to All Departments--Secret Service Districts--Reports Made to the Treasury Department--Good Money and Bad--How to Detect the False--System of Numbering United States Notes Explained--Counterfeiting on the Decrease--Counterfeiting Gold Certificates--Bank Tellers and Counterfeits--The Best Secret Service in the World